Define and implement growth experiments across the entire funnel — from hypothesis to rollout and evaluation.
Maintain a clear pipeline of experiments, prioritized by impact, effort and learning value.
Work closely with design, development and relevant stakeholders to translate testing concepts into high-quality experiments.
Use analytics, user research, competitive analysis and best practices to identify opportunities and derive strong hypotheses.
Share results, insights and learnings from experiments transparently with the team and stakeholders to promote alignment and continuous improvement.

At least 2–4+ years of experience in Conversion Rate Optimization (CRO), website optimization or growth-oriented roles.
Proven track record designing and running experiments that led to measurable business results (e.g., higher conversion rates, increased revenue).
Experience in high-velocity testing environments and a commitment to continually increase experiment velocity without sacrificing quality or learning value.
Strong analytical skills and hands-on experience interpreting quantitative data using tools like GA4, Amplitude or Power BI.
Strong conceptual thinking with the ability to structure and prioritize experiments around strategic growth goals.
Excellent communication skills in English to clearly convey insights and strategies to stakeholders across functions and seniority levels.
Experience with A/B testing tools (e.g., Convert) and, ideally, additional research/UX tools such as Hotjar.
Very good English skills (written and spoken).
Desirable (not required): very good German skills to better understand customer needs in the DACH market.

Flexible work: With flexible hours and our remote-first working model (including the possibility to work from other EU countries for up to 180 days per year), you can shape your day to suit you.
Support for mobile working: To optimize your remote setup, you receive up to €100 every two years for home-office equipment. Basic technical equipment such as laptop, headset, monitor etc. is provided by us.
Mobile & independent: With subsidies for public transport passes or Swapfiets, you stay flexible — whether in Berlin or other cities.
Community & events: Team spirit matters to us! Look forward to regular events, both digital and live in Berlin.
Volunteering & extra days off: Two additional days off per year for your civic engagement — plus days off on Christmas Eve and New Year’s Eve.
Fitness & mental health: Stay active with an Urban Sports Club or gym membership. The mental health platform Bloom is available to you free of charge.
Attractive discounts: Benefit from discounts via FutureBens and Corporate Benefits, as well as discounts for family & friends on our learning offerings.
Flexible additional benefits: With the givve Benefits card, you can use tax-free extras flexibly in your region.

Senior Conversion Rate Optimization (CRO) Specialist

Key skills